8 Citations (Scopus)

Abstract

Electrochemical processes in micro-gap and nano-gap electrochemical systems are of increasing interest and may be regarded as the “missing link” between tunnel processes (< 1–2nm) and micro-gap processes (>1μm gap). This is the length scale of charge hopping processes (with typically Dapp=10−15 m2s−1) and therefore for processes related to charge storage, photoelectrochemistry, bioelectrochemistry, and sensing. A range of important electrochemical phenomena and processes are encountered in nano-gap electrode systems including the direct observation of slow charge hopping at surfaces, coupled surface-chemical processes in mesoporous oxides, fast feedback current measurements for low concentration analysis down to single molecules, chemical signal filtering for sensor, and stochastic effects due to single molecule/low concentration fluctuations. There are interesting future applications in particular in progressing fundamental science and in enabling new types of micro-fabricated electroanalytical sensing devices.
Original languageEnglish
Title of host publicationSPR Electrochemistry
EditorsR. G. Compton, J. D. Wadhawan
PublisherRSC
Pages132-154
Number of pages23
Volume12
ISBN (Print)9781849735810
DOIs
Publication statusPublished - 2013

Fingerprint

Electrochemistry
Molecules
Electric current measurement
Oxides
Tunnels
Feedback
Electrodes
Sensors

Cite this

Dale, S. E. C., & Marken, F. (2013). Electrochemistry within nanogaps. In R. G. Compton, & J. D. Wadhawan (Eds.), SPR Electrochemistry (Vol. 12, pp. 132-154). RSC. https://doi.org/10.1039/9781849737333-00132

Electrochemistry within nanogaps. / Dale, Sara E. C.; Marken, Frank.

SPR Electrochemistry. ed. / R. G. Compton; J. D. Wadhawan. Vol. 12 RSC, 2013. p. 132-154.

Research output: Chapter in Book/Report/Conference proceedingChapter

Dale, SEC & Marken, F 2013, Electrochemistry within nanogaps. in RG Compton & JD Wadhawan (eds), SPR Electrochemistry. vol. 12, RSC, pp. 132-154. https://doi.org/10.1039/9781849737333-00132
Dale SEC, Marken F. Electrochemistry within nanogaps. In Compton RG, Wadhawan JD, editors, SPR Electrochemistry. Vol. 12. RSC. 2013. p. 132-154 https://doi.org/10.1039/9781849737333-00132
Dale, Sara E. C. ; Marken, Frank. / Electrochemistry within nanogaps. SPR Electrochemistry. editor / R. G. Compton ; J. D. Wadhawan. Vol. 12 RSC, 2013. pp. 132-154
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